[rCMT] Mw=6.1 ANDREANOF ISLANDS, ALEUTIAN IS.

USGS research CMT researchcmt at geohazards.cr.usgs.gov
Fri Dec 21 08:00:19 GMT 2007


AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region :  2007leak ANDREANOF ISLANDS, ALEUTI                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  COR FFC KIP LVZ MAJO TIXI TLY TUC ULN YAK YSS                                                      
Origin time: 2007  355   7  24  36
Original location (lat,lon,depth) :      51.4000   -179.100  35   
Moment tensor (x1.e26 dyncm) :
Mrr :      0.185209 Mtt :     -0.152344
Mff :     -0.032865 Mrt :      0.093680
Mrf :      0.048000 Mtf :     -0.044092
T-axis:  moment=     0.215   plunge=    74.284  azimuth=   327.382    
N-axis:  moment=    -0.019   plunge=     3.357  azimuth=    69.416    
P-axis:  moment=    -0.195   plunge=    15.335  azimuth=   160.337    
best double couple: Mo=    0.205(x1.e26 dyncm)  Mw=6.1  tau=  3.3     
nodal planes (strike/dip/slip):   67.51/ 60.42/ 86.14     255.29/ 29.81/ 96.77  
Centroid location :   51.112  -178.483    39.839
Centroid time :      0.063
Variance reduction (%) :  40
 
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    0    2    1    0    2    1    2    1    0    0            
r-comp:     0    1    0    1    1    0    1    1    0    1    0    0            
t-comp:     0    1    0    0    1    0    0    2    1    1    0    0            
Total number of traces used =  22  
number of runs = 1
starttime = Fri Dec 21 00:57:50 MST 2007
endtime = Fri Dec 21 01:00:14 MST 2007
inversion time = Fri Dec 21 00:59:57 MST 2007 - Fri Dec 21 01:00:13 MST 2007
Solution produced by inversion of channels with var red > 2%



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